Meet The Team

The team at our clinic is dedicated to providing you with quality care. We believe in building long-term relationships with our patients, and we take pride in providing personalized treatment plans that meet your needs.

Owner and Family Nurse Practitioner

Cristy O'Connell

As our owner and Family Nurse Practitioner, Cristy O'Connell is committed to patient care and advocacy. Cristy has been a Family Nurse Practitioner for several years with experience in emergency medicine, family medicine, pediatrics, urgent and primary care. Cristy is board certified with the American Academy of Nurse Practitioners, as well as a member of the organization. Prior to opening Health Xpress Medical Center, Cristy was the CEO and Family Nurse Practitioner of an Urgent and Primary care clinic. She also has taught nursing school clinical for both RN and NP students. Before becoming a Family Nurse Practitioner, Cristy worked as a full-time Registered Nurse in the Emergency Department. Outside of the clinic, Cristy enjoys spending time with her husband, her dog Xena and Ares, exercising, and going on bike rides.
Jamie
Owner and Chief Financial Officer

Jamie O'Connell

As our owner and CFO, Jamie comes to health Xpress medical center as a retired paramedic of 15 years. He is also an army Veteran, who worked for the 82nd Airborne infantry division as a paratrooper. During his time in the service, Jamie received a Purple Heart. Jamie understands the importance of quality care and is ready to help with your medical care needs. When not at work, Jamie enjoys time with his wife, walking his dogs Xena and Ares, and working on his hot rod.
Chief Executive Officer (CEO)

Colton Schulz

Colton comes to Health Xpress Medical Center with a wide range of experience in healthcare. Colton has been certified in EMS for 9 years, as well as an instructor in EMS. He has managed special events and worked on an ambulance in Las Vegas since 2016. Colton has experience in occupational health and safety and has been part of safety teams for large corporations. When he's not at work Colton enjoys spending time with his wife and dog and going on adventures with them!
Cristina-Kulback
Lead Family Nurse Practitioner & Clinical Supervisor

Cristina Kulback

Henderson Anthem Clinic

Cristina is a board-certified Family Nurse Practitioner with specialization in Family Medicine and Urgent Care, holding certification from the American Nurses Credentialing Center (ANCC). With a career spanning over a decade in the healthcare field, Cristina has accumulated extensive experience across various specialties. For the past four years, she has been dedicated to providing comprehensive care in both Primary Care and Urgent Care settings.
Prior to her focus on Family Medicine and Urgent Care, Cristina spent the majority of her career in Emergency Medicine and Trauma. This background has equipped her with invaluable skills in managing critical situations and providing timely interventions. Furthermore, Cristina possesses expertise in a wide range of specialties including: Intensive Care (ICU), Respiratory Trauma, Orthopedics, Surgery, Medical Surgical, Outpatient Rehabilitation, and Home Health.
Beyond her clinical practice, Cristina is deeply committed to education, having served as a clinical instructor for Nursing Students and Nurse Practitioner Students for over five years. Her dedication to nurturing future healthcare professionals underscores her passion for sharing knowledge and fostering growth within the healthcare community.
Cristina's approach to patient care is characterized by a holistic perspective, emphasizing the importance of treating patients as a whole to optimize their overall health and wellness. She is dedicated to providing individualized care tailored to each patient's unique needs.
Outside of her professional responsibilities, Cristina enjoys spending quality time with her family, exploring new travel destinations, and indulging in culinary experiences at different restaurants.
Jamie-Ebnother
Family Nurse Practitioner

Jamie Ebnother

Spring Valley Clinic

Jamie is a Family Nurse Practitioner who is Board Certified by the American Nursing Credentialing Center (ANCC). Jamie completed her Master’s Degree in San Diego California and has spent the last several years of her career working in specialties such as Surgical Intensive Care, Burn Intensive Care, Emergency Departments, Acute Rehabilitation, Medical Surgical and Medical Intensive Care, focusing on critical care extensively throughout the duration of the COVID-19 pandemic. Jamie was born and raised in Wiesbaden, Germany. At the age of 14, she relocated to the United States to pursue a degree in Medicine. Additionally, she has a passion for Aesthetic and Regenerative Medicine and is passionate about patient care. In her free time, she enjoys staying active in the gym, cooking, spending time with her three dogs, and exploring new places.
Family Nurse Practitioner

Kylie Glisic

Henderson Anthem Clinic

Kylie is a board certified nurse practitioner who is specialized in family medicine. She graduated from UNLV with her Masters in Nursing. Kylie is board certified by the American Nurses Credentialing Center (ANCC). She has been working in healthcare for over 7 years, primarily in critical care and the emergency room. Kylie is a Las Vegas native who enjoys spending her free time with her husband and dogs.
Physician Assistant

Melissa Zornic

Henderson Galleria Clinic and Spring Valley Clinic

Melissa is a board certified Physician Assistant specializing in Family Medicine. She graduated from Sullivan University in Louisville, Kentucky with Summa cum Laude. She is originally from Boise, Idaho and spends her free time traveling and enjoying the outdoors.
Family Nurse Practitioner

Mia Moran

Henderson Galleria Clinic

Mia is a dedicated and board-certified Family Nurse Practitioner recognized by the American Academy of Nurse Practitioners. Mia's journey in healthcare began with a passion instilled from childhood, inspired by her mother's impactful career in the field. With several years of experience as a registered nurse, Mia's expertise shines in the surgical intensive care unit, where she has provided exceptional care to critically ill patients with a specialty in postoperative cardiac surgery. Beyond her professional endeavors, Mia finds solace and joy in the company of her children, cherished fiancé, and beloved French bulldog, prioritizing quality time with her loved ones in her spare moments.
Galleria Front Office Manager

Savannah Alley

Henderson Galleria Clinic

Savannah joins the Health Xpress Medical Center Team as our lead Medical Receptionist. She was born and raised in Las Vegas and is currently attending school to become a registered nurse. After graduating from school, she would like to specialize in pediatric oncology. When Savannah is not working or going to school, she likes to travel and spend time with her family.
Ryan McGraw
Back Office Manager and Lead Medical Assistant

Ryan McGraw

Spring Valley Clinic

Ryan is our lead medical assistant who moved from Oregon to the Las Vegas Valley. He plans to further his education in the future.

When he's not working, you can find Ryan watching football with friends and family or cooking up a storm in the kitchen!

Aurora-Rainwater
Clinic Supervisor and Referral Specialist

Aurora Rainwater

Henderson Galleria Clinic

Aurora started as one of our Front Desk Receptionists and after being with the company for over a year she became a Licensed Medical Assistant and Phlebotomist. As one of our Lead Medical Assistants she is able to help with any billing, scheduling or medical questions you may have. Aurora has been CPR and First Aid Certified since she was 12 years old. She worked as a Lifeguard for 5 years and went to South East Career and Technical Academy for Sports Medicine. She is currently attending the College of Southern Nevada in hopes for receiving her degree to become an ER Nurse. Aurora has a real passion for the medical field and strives to be the best in everything she does. When Aurora isn't working she loves to read her books and spend time with her cats.
Gabriel-Robinson
Medical Assistant

Gabriel Robinson

Henderson Anthem Clinic

Gabriel joins Health Xpress Medical Center as our lab technician, as well as working at the front desk. Being in both the front and back office, he is able to help with any of your questions about billing, testing, appointments, and so on. He has experience with patients and has a passion for helping others. He likes to use alternative medicine options for his everyday health. Gabriel currently attends UNLV for their nursing program. He is hoping that after he graduates he can study acupuncture. In his free time, he enjoys spending time with family, friends, and his two kittens.
Paolo Corpuz
Medical Assistant

Paolo Corpuz

Henderson Anthem Clinic

Paolo Corpuz is a Medical Assistant at Health Xpress originally from the Philippines. He enjoys reading captivating fictional books, exploring the internet, and watching thought-provoking movies. When he’s feeling energetic, Paolo dabbles in playing volleyball – a hobby that brings him much joy. His ultimate ambition is to become a successful Medical Technologist one day and make his family proud of his accomplishments.
Medical Assistant

Esteban Carrillo

Henderson Anthem Clinic

Esteban joins us here at Health Xpress as a Medical Assistant. In his younger years he admired the medical field and always knew he wanted to be a part of it. He strives to be the best that he can at his work. He believes that being kind and wise is what makes you stronger. Esteban plans to continue his education to become a Nurse Practitioner. In his free time he enjoys being active. A few activities he partakes in are hiking, rock climbing, skateboarding and snowboarding. Although he enjoys being outdoors, he loves to be indoors watching movies with his cats and spending time with his family.
Jackie Romero
Medical Assistant

Jackie Romero

Henderson Anthem Clinic

Jackie Romero is a seasoned medical assistant with years of dedicated experience in the healthcare sector. Known for her unwavering commitment to providing exceptional patient care, Jackie has built a reputation among her peers and patients for her expertise, compassion, and professionalism. Her career is marked by a deep passion for helping others, a quality that shines brightly in her day-to-day interactions and responsibilities within the medical field.
Medical Assistant

Jackson Truong

Spring Valley Clinic

Jackson Truong is a dedicated individual with a passion for healthcare. His journey in the medical field began with his certification as a medical assistant and phlebotomist. With a keen interest in understanding the intricacies of the human body and its movement, he is currently pursuing a major in kinesiology and a minor in biology at UNLV. Jackson's academic pursuits are fueled by his aspiration to become a physician assistant specializing in orthopedics. His goal is to combine his expertise in kinesiology with his medical training to provide comprehensive care to patients with musculoskeletal conditions, helping them regain mobility and improve their quality of life. Outside of his academic and professional endeavors, Jackson values his time with family and friends.
Haylee-Morris
Medical Receptionist

Haylee Morris

Spring Valley Clinic

Haylee is a certified phlebotomist with dreams to become a registered nurse. She's passionate about helping people and dedicates her free time to her family and attending the local race track. She's highly motivated by the medical field, often spurred by the desire to make people feel better and cared for. Haylee has an infectious enthusiasm for aiding others, making her an invaluable asset in virtually any healthcare setting. Her kind nature and dedication to enhancing the lives of those around her makes her a truly exceptional individual.
Kristen Gutierrez
Medical Receptionist

Kristen Gutierrez

Henderson Anthem Clinic

Kristen Gutierrez was born and raised in Las Vegas and has been happily married for 16 years. She is a proud mom of two wonderful kiddos - a 15-year-old daughter and a 10-year-old son - and together they make up the vibrant Gutierrez crew. When she's not busy working, Kristen enjoys unwinding with her beloved pets, cheering on her favorite hockey team (Go Knights Go!), and watching all kinds of sports, especially baseball. Her passion for cars is also no secret; in fact, she loves to get lost in the world of car-related hobbies. Kristen looks forward to helping you!
Kim-Kennedy
Medical Receptionist

Kimberly Kenney

Spring Valley Clinic

Kim is a vibrant and enthusiastic laboratory science student at the University of Nevada, Las Vegas. She moved here from California in pursuit of her academic goals, and to gain experience with the CASA volunteer program. Having completed a phlebotomy certification from a technical school, Kim is well-versed in medical procedures and joins our Spring Valley location as a medical assistant. She loves to travel with her family in her free time and is passionate about giving back through volunteering with children.
Medical Receptionist and Referral Clerk

Martina Zepeda

Henderson Galleria Clinic

Martina Zepeda is a dedicated professional and committed advocate who transitioned from California to Las Vegas in 2016, accompanied by her family. In the heart of Nevada, her pursuits in higher education culminated with an Associate of Science in Business Administration, which laid a firm foundation for her compassionate career.
Working with the Victims of Crime Program and the Vegas Strong Resiliency Center, Martina has demonstrated a deep-seated passion for serving those affected by adversity. Her role in these programs reflects her strong desire to make a tangible difference in individual lives and the community.

Presently, she is continuing her academic and professional growth by working towards a Bachelor of Science in Sociology. Martina's personal life is as vibrant and full of commitment as her professional endeavors. She is the proud mother of four children, ages ranging from 24 to 7, each of whom brings joy and inspiration to her busy life. In the moments away from her work and studies, Martina cherishes spending quality time with her children, finding balance and rejuvenation in the joy of family. Her hobbies and interests outside of advocating and parenting, while not detailed, suggest a richly filled life enjoyed by a nurturing, hard-working, and purpose-driven individual.

Brittni-Dials
Administrative Assistant

Brittni Dials

Brittni Dials is an experienced and passionate Certified Nursing Assistant from Lansing, Michigan. She currently resides in the northern suburbs of Chicago with her family – her husband, daughter Olivia and son Owen. For over 10+ years she has served as a CNA/HHA providing care for those in need, including several years of experience with Hospice Care. In her free time, Brittni enjoys traveling and experiencing new places, reading uplifting books, watching movies, and spending time on all things Disney!